This book provides an overall research design strategy by emphasizing how research hypotheses relate to treatment design. The author provides as realistic a setting as possible for conducting an actual research project. Examples, often based on actual research studies, describe the research venue and establish a specific problem; then the corresponding research hypothesis is identified with a treatment design that addresses it. Unique Features and In Text Learning Aids: Recurrent emphasis on the following as ideas: controlling variation, randomisation, the WHY of replication, and the structure of the research design process; Excellent examples, based whenever possible on actual research studies, organised in a problem-solving fashion; Numerous exercises also based on actual research studies and real data, whenever possible; Consistent emphasis on data analysis of the design; Strong computer orientation with computer outputs in SAS,SPSS, Minitab, or BMDP; Large array of real data sets from a broad spectrum of scientific and technological fields.